Coal-gas condenser



' 2 Sheets-Sheet 1.

(No Model.)

P. J. DAVIS.

GOAL GAS CONDENSER.

N0. 1398,38 2 Patented Feb. 26, 18819.

N PETERS. Pholu-Lifllogmphev. Washingtmh D. C.

(No Model.) 2 Sheets-Sheet 2.

P. J. DAVIS.

GOAL GAS CONDENSER.

No. 398.384. Patented Feb. 26, 1889.

NEfiE-EE.

EETEE.

PATENT FREDERICK J. DAVIS, OF VALTHAM, MASSACHUSETTS.

COAL-GAS CONDENSER.

SPECIFICATION forming part of Letters Patent N 0. 398,384, datedFebruary 26, 1889.

Application filed July 1, 1887. Serial No. 243,108. (No model.)

To aZZ whom it may concern:

Be it known that I, FREDERICK J. DAVIS, of lValtharn, in the county ofMiddlesex and State of Massachusetts, a citizen of the United States,have invented a new and useful Improvement in Gas'Condensersof which thefollowing is a full, clear, and exactdescrip tion, reference being hadto the accompanying drawings, forming a part of this specification, inexplaining its nature.

The invention relates to a condenser for the manufacture of coal-gas,which is adapted to be used in both the dry and wet processes ofcleansing gas; and it comprises or embraces a vertical casing havingsinuous passages therein joined at their top and opening at their bottominto the tar well or chamber. Any number of these cases may be usedgenerally three or :four-and into the sinuous passages project from theinner walls of the case downward-extendin g flanges, which are arrangedone above the other, and so as to cause the water introduced ino thecase from above, and where water is not employed the liquid freed fromthe gas by condensation, to leave the walls of the case-and to drop fromflange to flange, thereby acting mechanically to cleanse the gas, whichof course is constantly passing up one sinuous passage and down the nextin order.

The invention further relates to breakers extending into the tar-wellbetween the exit of one case or section of the condenser and theentrance to the next one.

In the drawings, Figure l is a vertical central section of agas-condenser having the features of my invention. Fig. 2 is a view inperspective thereof, a portion of the casing or wall being removed toshow the interior con struction. Fig. 3 is a view in perspective of thebreakers.

In Fig. l the condenser is represented as having six separate sectionsor cases. Each section has two sinuous passages, a, which are connectedwith each other at the top by the curved passage a, and which open atthe bottom a into the tar-well B, and one of which forms an uptake andthe other a downtake. The gas enters the condenser through the pipe 0,and passes down through a passage a to the tar-well B, thence throughthe breakers D, which extend downward from the upper plate or coveringof the tar-well very nearly to the bottom thereof, then upward through asinuous vertical passage to the top of the condenser, and then downwardthrough the next passage in order into the tar-well, then throughanother group of breale ers D, and upward and downward in the passagesof the next case, as before.

Each section of the condenser has a vertical partition-plate, E, whichextends downward into the tar-well. The tar-well is divided intochambers opening into the up-anddown passages of each section of thecondenser, and the gas is thus'obliged to take an onward course throughthe passages of the various cases or sections of the condenser.

The case A, which forms the passages a, is made in a number of sectionsadapted to be placed one upon another, and they are formed by castingand have suitable joints whereby they are united.

The sinuous passage, which is quite wide and very thin, is formed bycasting in the case A the horizontal concave sections f in. each side ofthe case and diagonally opposite each other, and this forms in thepassage the rounded sectionsf, which are diagonally opposite each otherand the inn er edges of which are upon the same perpendicular line.These edges, if merely rounded, do not provide for the dropping of waterand the products of condensation of the gas, the water and liquidfollowing the wall rather than forming drops and dripping from therounded surfaces. It is desirable that the water should leave the wallsand drop from point to point through the passage, and for this reason Ihave formed-- preferably upon each inner surface of the rounded sectionsf'the ledges f which are inclined from any desirable line or point ofthe surface downwardly, so as to make a form of surface from which thewater or liquid is obliged to drop, and which acts to interrupt the flowof water or liquid upon the inner surfaces of the walls of the case, andcompels it to drop from projection to projection or ledge to ledge tothe tar-well. The ledges also act to assist in the scouring or cleansingof the gas by narrowing the passage 1n the condensers through which thegas is forced,

and also by offering sharp well-defined shoul- T ders, against which thegas is broken and 1 having the inlet-pipe g through which water i isintroduced.

The breakers l) comprise n'retal pins (7, susi pended by their tops frommetal plates (1, and these metal plates are held in their proper Yplaces in the upper parts of the tar-well by the flanges (P, whichextend upon the walls of the well near the top, beneath the ends of thetop plates of the well. (See Fig.

Having thus fully described my invention, I claim and desire to secureby Letters Patent of the United States 1. A gas-condenser eonsistingof aseries of sections, the side walls of which are formed with concaveportions 1'', diagonally opposite to each other, whereby a sin nouspassage is formed, and the ledges f extending into said passages fromthe inner surfaces thereof, the sections being connected. togetheralternately at top and bottom, substantially as described.

2. The condenser having the walls orcases A, having sinuous passages a,connected with each other, as specified, the tar-well B, the plates orpartitions E, and the breakers D, placed alternately with saidpartitions, as and for the purposes specified.

FREDERICK J. DAVIS.

In presence of- F. F. RAYMOND, 2d, FRED. B. DOLAN.

